Finding the Third Proportional to 760,561 and 1,169,139

Step by Step Solution

1. Step 1: Write the proportion equation
   760,561 : 1,169,139 = 1,169,139 : x
2. Step 2: Convert to fraction form
   760,561/1,169,139 = 1,169,139/x
3. Step 3: Cross multiply
   760,561x = 1,169,139 × 1,169,139
4. Step 4: Simplify right side
   760,561x = 1,366,886,001,321
5. Step 5: Solve for x
   x = 1,366,886,001,321/760,561
6. Step 6: Final answer
   x = 1,797,207.59